JP5250698B2 - 光ネットワークにおけるファイバの監視方法 - Google Patents
光ネットワークにおけるファイバの監視方法 Download PDFInfo
- Publication number
- JP5250698B2 JP5250698B2 JP2011524198A JP2011524198A JP5250698B2 JP 5250698 B2 JP5250698 B2 JP 5250698B2 JP 2011524198 A JP2011524198 A JP 2011524198A JP 2011524198 A JP2011524198 A JP 2011524198A JP 5250698 B2 JP5250698 B2 JP 5250698B2
- Authority
- JP
- Japan
- Prior art keywords
- signal
- optical
- amplifier
- fiber
- optical fiber
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000000835 fiber Substances 0.000 title claims description 124
- 230000003287 optical effect Effects 0.000 title claims description 111
- 238000000034 method Methods 0.000 title claims description 68
- 238000012544 monitoring process Methods 0.000 title claims description 5
- 239000013307 optical fiber Substances 0.000 claims description 67
- 238000012360 testing method Methods 0.000 claims description 58
- 238000002168 optical frequency-domain reflectometry Methods 0.000 claims description 28
- 238000004891 communication Methods 0.000 claims description 15
- 238000005086 pumping Methods 0.000 claims description 12
- 230000005540 biological transmission Effects 0.000 claims description 8
- 238000001914 filtration Methods 0.000 claims description 3
- 239000002131 composite material Substances 0.000 claims 1
- 238000005259 measurement Methods 0.000 description 21
- 230000005855 radiation Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 230000000295 complement effect Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000010363 phase shift Effects 0.000 description 2
- 238000002310 reflectometry Methods 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 230000002269 spontaneous effect Effects 0.000 description 2
- 229910052691 Erbium Inorganic materials 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000002405 diagnostic procedure Methods 0.000 description 1
- UYAHIZSMUZPPFV-UHFFFAOYSA-N erbium Chemical compound [Er] UYAHIZSMUZPPFV-UHFFFAOYSA-N 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/07—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems
- H04B10/075—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal
- H04B10/077—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal using a supervisory or additional signal
- H04B10/0771—Fault location on the transmission path
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/07—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems
- H04B10/071—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using a reflected signal, e.g. using optical time domain reflectometers [OTDR]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/07—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems
- H04B10/075—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal
- H04B10/077—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal using a supervisory or additional signal
- H04B10/0775—Performance monitoring and measurement of transmission parameters
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Optical Communication System (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/EP2008/061399 WO2010022787A1 (fr) | 2008-08-29 | 2008-08-29 | Surveillance de fibres dans des réseaux optiques |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2012501124A JP2012501124A (ja) | 2012-01-12 |
JP5250698B2 true JP5250698B2 (ja) | 2013-07-31 |
Family
ID=40521696
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2011524198A Expired - Fee Related JP5250698B2 (ja) | 2008-08-29 | 2008-08-29 | 光ネットワークにおけるファイバの監視方法 |
Country Status (5)
Country | Link |
---|---|
US (2) | US8634713B2 (fr) |
EP (1) | EP2335363B1 (fr) |
JP (1) | JP5250698B2 (fr) |
IL (1) | IL211442A (fr) |
WO (1) | WO2010022787A1 (fr) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9036991B2 (en) * | 2009-10-30 | 2015-05-19 | Hewlett-Packard Development Company, L.P. | Optical transceiver having an OTDR mode, and a method of obtaining test data for testing an optical fiber |
EP2323286B9 (fr) | 2009-11-12 | 2016-06-08 | ADVA Optical Networking SE | Procédé pour le fonctionnement d'un système de transmission optique, transmetteur optique, et récepteur optique |
TW201315170A (zh) * | 2011-09-27 | 2013-04-01 | Chunghwa Telecom Co Ltd | 光頻域反射式光纖網路測試方法 |
US9410903B2 (en) * | 2011-10-12 | 2016-08-09 | Baker Hughes Incorporated | Incoherent reflectometry utilizing chaotic excitation of light sources |
US8855486B2 (en) * | 2012-12-12 | 2014-10-07 | Polarlink Technologies, Ltd. | Remotely controlled fiber testing method |
US9281893B2 (en) | 2013-10-23 | 2016-03-08 | Lumentum Operations Llc | In-service monitoring of a fiberoptic network |
US9831943B2 (en) * | 2013-12-17 | 2017-11-28 | Neptune Subsea Ip Limited | Repeater OTDR using repeater based raman pumps |
WO2015199266A1 (fr) * | 2014-06-27 | 2015-12-30 | 주식회사 쏠리드시스템스 | Appareil et procédé pour surveiller une ligne de communication optique |
WO2016190792A1 (fr) * | 2015-05-28 | 2016-12-01 | Telefonaktiebolaget Lm Ericsson (Publ) | Dispositif et procédé pour surveiller une liaison à fibre optique |
CN110375780B (zh) * | 2019-07-29 | 2021-08-06 | 武汉昊衡科技有限公司 | Ofdr断纤续接测量的方法 |
WO2021111699A1 (fr) * | 2019-12-04 | 2021-06-10 | 日本電気株式会社 | Système de détection de fibre optique, dispositif de relais et procédé de détection |
Family Cites Families (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5812539B2 (ja) * | 1976-10-29 | 1983-03-09 | 三菱電機株式会社 | 光フアイバ装置 |
US5991479A (en) * | 1984-05-14 | 1999-11-23 | Kleinerman; Marcos Y. | Distributed fiber optic sensors and systems |
US5062703A (en) * | 1988-01-21 | 1991-11-05 | Hewlett-Packard Company | Method and apparatus for measuring the length of, or distances to discontinuities in, an optical transmission medium |
JP2846018B2 (ja) * | 1988-01-21 | 1999-01-13 | ジェネンテク,インコーポレイテッド | 核酸配列の増幅および検出 |
JP3008673B2 (ja) * | 1992-06-22 | 2000-02-14 | 三菱電機株式会社 | 光増幅中継器の監視方式 |
JP3692510B2 (ja) * | 1995-09-11 | 2005-09-07 | 横河電機株式会社 | 光ファイバ検査装置 |
US6008487A (en) * | 1995-02-02 | 1999-12-28 | Yokogawa Electric Corporation | Optical-fiber inspection device |
US5844235A (en) * | 1995-02-02 | 1998-12-01 | Yokogawa Electric Corporation | Optical frequency domain reflectometer for use as an optical fiber testing device |
JP3453745B2 (ja) * | 1995-02-02 | 2003-10-06 | 横河電機株式会社 | 光ファイバ検査装置 |
GB9526185D0 (en) | 1995-12-21 | 1996-02-21 | Stc Submarine Systems Ltd | Fiber-break detection in bi-directional optical amplifier systems |
GB9604322D0 (en) | 1996-02-29 | 1996-05-01 | Stc Submarine Systems Ltd | EOTDR three wavelength signalling |
DK176237B1 (da) * | 1996-05-31 | 2007-04-10 | Tellabs Denmark As | Fremgangsmåde og forstærkerenhed til transmission af datasignaler via en optisk fiber |
US5926263A (en) | 1996-10-10 | 1999-07-20 | Tyco Submarine Systems Ltd. | Side-tone OTDR for in-service optical cable monitoring |
US7088436B2 (en) | 2000-12-04 | 2006-08-08 | Ross Alexander Saunders | Integrated optical time domain reflectometer and optical supervisory network |
US6433922B1 (en) * | 2001-02-26 | 2002-08-13 | Redc Optical Networks Ltd. | Apparatus and method for a self adjusting Raman amplifier |
US6721089B1 (en) * | 2001-11-04 | 2004-04-13 | Ciena Corporation | Method and apparatus for expanding the dynamic range of optical amplifiers |
US20040208523A1 (en) * | 2002-01-30 | 2004-10-21 | Tellabs Operations, Inc. | Swept frequency reflectometry using an optical signal with sinusoidal modulation |
US7505197B2 (en) * | 2003-03-13 | 2009-03-17 | Fujitsu Limited | Optical amplifier provided with control function of pumping light, and optical transmission system using the same |
EP1708388A1 (fr) * | 2005-03-31 | 2006-10-04 | British Telecommunications Public Limited Company | Communication d'information |
US7613214B2 (en) * | 2007-05-16 | 2009-11-03 | Wisconsin Alumni Research Foundation | Multi-wavelength mode locked laser |
-
2008
- 2008-08-29 EP EP08803397.2A patent/EP2335363B1/fr not_active Not-in-force
- 2008-08-29 US US13/060,834 patent/US8634713B2/en active Active
- 2008-08-29 WO PCT/EP2008/061399 patent/WO2010022787A1/fr active Application Filing
- 2008-08-29 JP JP2011524198A patent/JP5250698B2/ja not_active Expired - Fee Related
-
2011
- 2011-02-27 IL IL211442A patent/IL211442A/en not_active IP Right Cessation
-
2014
- 2014-01-13 US US14/153,386 patent/US20140126901A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
EP2335363B1 (fr) | 2018-05-30 |
WO2010022787A1 (fr) | 2010-03-04 |
US8634713B2 (en) | 2014-01-21 |
IL211442A (en) | 2015-04-30 |
IL211442A0 (en) | 2011-05-31 |
JP2012501124A (ja) | 2012-01-12 |
US20140126901A1 (en) | 2014-05-08 |
EP2335363A1 (fr) | 2011-06-22 |
US20110217036A1 (en) | 2011-09-08 |
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